物理学的美丽在于它能够用简单的方式解释复杂的事物。

I think it's very important to have a feedback loop, where you're constantly thinking about what you've done and how you could be doing it better.

I don't run out of material. I run out of time.

没有“悲哀”提供平衡，“愉快”一词就会失去意义。

The truth is rarely pure and never simple.

Humility makes great men twice honourable.